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Pharmachem Research & Development Laboratories

Tetrabutylammonium Bromide

Tetrabutylammonium Bromide

Product Details

Grade Standard Reagent Grade
Physical State Powder
Packaging Type 50 kg
Formula (C4H9)3NBr
Cas No 1643-19-2
Colour White to Creamy White Crystals
Form White to off white powder
Melting Point 102-106 °C(lit.)
Density 1.039 g/mL at 25 °C
Sensitive Hygroscopic

Tetrabutylammonium bromide (TBAB) is a quaternary ammonium salt with a bromide commonly used as a phase transfer catalyst.[2] It is used to prepare many other tetrabutylammonium salts by salt metathesis reactions. The anhydrous form is a white solid.


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